19703860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89563}}^1$

素因数の和:89583

約数の個数: 24

約数和(自身を含む): 45140256

約数和(自身を除く): 25436396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89563, 179126, 358252, 447815, 895630, 985193, 1791260, 1970386, 3940772, 4925965, 9851930, 19703860]

約数ペア:

[(1, 19703860), (2, 9851930), (4, 4925965), (5, 3940772), (10, 1970386), (11, 1791260), (20, 985193), (22, 895630), (44, 447815), (55, 358252), (110, 179126), (220, 89563)]